<template>
  <div>
    <en-table-layout :tableData="tableData.data" :loading="loading">
      <div slot="toolbar" class="inner-toolbar">
        <div class="toolbar-btns">
          <el-button
            size="mini"
            type="primary"
            icon="el-icon-circle-plus-outline"
            @click="handleAddBrand"
            v-if="checkPermission(['brand:add'])">添加</el-button>
        </div>
        <div class="toolbar-search">
          <en-table-search @search="searchEvent" placeholder="请输入品牌名称" />
        </div>
      </div>
      <template slot="table-columns">
        <!--<el-table-column type="selection" width="100"/>-->
        <!--品牌图片-->
        <el-table-column label="品牌图片" width="150">
          <template slot-scope="scope">
            <img :src="scope.row.logo" class="goods-image" />
          </template>
        </el-table-column>
        <!--品牌名称-->
        <el-table-column prop="name" label="品牌名称" />
        <!--操作-->
        <el-table-column label="操作" width="200">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              @click="handleEditBrand(scope.$index, scope.row)">修改</el-button>
            <el-button
              size="mini"
              type="danger"
              @click="handleDeleteBrand(scope.$index, scope.row)">删除</el-button>
          </template>
        </el-table-column>
      </template>
      <el-pagination v-if="tableData" slot="pagination" @size-change="handlePageSizeChange"
        @current-change="handlePageCurrentChange" :current-page="tableData.page_no" :page-sizes="[10, 20, 50, 100]"
        :page-size="tableData.page_size" layout="total, sizes, prev, pager, next, jumper" :total="tableData.data_total">
      </el-pagination>
    </en-table-layout>
    <el-dialog
      :title="brandForm.brand_id ? '编辑品牌' : '添加品牌'"
      :visible.sync="dialogBrandVisible"
      :close-on-click-modal="false"
      :close-on-press-escape="false"
      width="500px"
    >
      <el-form :model="brandForm" :rules="brandRules" ref="brandForm" label-width="100px">
        <!--品牌名称-->
        <el-form-item label="品牌名称" prop="name">
          <el-input v-model="brandForm.name"></el-input>
        </el-form-item>
        <el-form-item label="品牌图片" prop="logo">
          <el-upload
            :action="MixinUploadApi"
            list-type="picture"
            :on-success="uploadSuccess"
            :on-remove="delGiftImg"
            :file-list="fileList"
            :multiple="false"
            :limit="1"
          >
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">&nbsp;请上传jpg/png文件，建议分辨率不要超过120*75、大小不超过1MB</div>
          </el-upload>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogBrandVisible = false">取 消</el-button>
        <el-button type="primary" @click="submitBrandForm('brandForm')">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import * as API_brand from '@/api/basicSetting'
export default {
  name: 'brandList',
  data() {
    return {
      /** 列表loading状态 */
      loading: false,
      /** 列表参数 */
      params: {
        page_no: 1,
        page_size: 10
      },
      /** 列表数据 */
      tableData: '',
      /** 被选数据 */
      selectedData: [],

      // 添加、修改品牌 dialog
      dialogBrandVisible: false,

      /** 添加、修改品牌 表单 */
      brandForm: {},
      /** 存储上传的图片*/
      fileList: [],
      /** 添加、修改品牌 表单规则 */
      brandRules: {
        name: [
          this.MixinRequired('请输入品牌名称！'),
          { min: 1, max: 20, message: '长度在 1 到 20 个字符', trigger: 'blur' }
        ],
        logo: [this.MixinRequired('请上传品牌logo！')]
      }
    }
  },
  mounted() {
    this.GET_BrandList()
  },
  methods: {
    uploadSuccess(res) {
      this.$set(this.brandForm, 'logo', res.url)
      this.$refs['brandForm'].validateField('logo')
    },
    /** 图片移除之后 */
    delGiftImg() {
      this.fileList = []
      this.brandForm.logo = ''
    },
    /** 分页大小发生改变 */
    handlePageSizeChange(size) {
      this.params.page_size = size
      this.GET_BrandList()
    },

    /** 分页页数发生改变 */
    handlePageCurrentChange(page) {
      this.params.page_no = page
      this.GET_BrandList()
    },

    /** 搜索事件触发 */
    searchEvent(data) {
      this.params.page_no = 1
      this.params.name = data
      if (!data) delete this.params.name
      this.GET_BrandList()
    },

    /** 获取品牌列表 */
    GET_BrandList() {
      this.loading = true
      API_brand.getBrandList(this.params).then(response => {
        this.loading = false
        this.tableData = response
      }).catch(() => { this.loading = false })
    },
    /** 添加品牌触发事件 */
    handleAddBrand() {
      this.brandForm = {}
      this.fileList = []
      this.dialogBrandVisible = true
    },
    /** 添加、修改品牌 表单提交 */
    submitBrandForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          const { brand_id } = this.brandForm
          if (!brand_id) {
            API_brand.addBrand(this.brandForm).then(() => {
              this.dialogBrandVisible = false
              this.$message.success('添加成功！')
              this.$refs[formName].resetFields()
              this.GET_BrandList()
            })
          } else {
            API_brand.editBrand(brand_id, this.brandForm).then(response => {
              this.$message.success('保存成功！')
              this.dialogBrandVisible = false
              this.$refs[formName].resetFields()
              this.MixinSetTableData(this.tableData, 'brand_id', brand_id, response)
            })
          }
        } else {
          this.$message.error('表单填写有误，请检查！')
          return false
        }
      })
    },
    /** 修改品牌操作 */
    handleEditBrand(index, row) {
      this.brandForm = this.MixinClone(row)
      this.fileList = this.brandForm.logo ? [{ name: 'brand_image', url: this.brandForm.logo }] : []
      this.dialogBrandVisible = true
    },
    /** 删除品牌操作 */
    handleDeleteBrand(index, row) {
      this.$confirm('确定要删除这个品牌吗？', '提示', { type: 'warning' }).then(() => {
        this.DELETE_Brand(row.brand_id)
      }).catch(() => {})
    },
    /** 删除品牌 */
    DELETE_Brand(ids) {
      API_brand.deleteBrand(ids).then(() => {
        this.$message.success('删除成功！')
        this.GET_BrandList()
      })
    }
  }
}
</script>

<style type="text/scss" lang="scss" scoped>
/deep/ .el-table td:not(.is-left) {
  text-align: center;
}

.inner-toolbar {
  display: flex;
  width: 100%;
  justify-content: space-between;
  padding: 0 20px;
}

.goods-image {
  max-width: 120px;
  height: 75px;
}

/deep/ .el-select .el-input {
  width: 100px;
}

/deep/ .input-with-select .el-input-group__prepend {
  background-color: #fff;
}

/deep/ .el-form-item__content .edui-editor {
  line-height: normal;
}
</style>
